Douglas S. Knopper, a director at Magnite, Inc. (NASDAQ:MGNI), sold 37,337 shares of common stock on August 6 at $22.72 per share, according to an SEC Form 4 filing. Transaction summaryTransaction value based on SEC Form 4 weighted average sale price ($22.72); post-transaction value…This story appeared on finance.yahoo.com , 2026-08-09 16:52:17.